Display panel of a programmed computer system with a graphical user interface



FIG. 1 is a face view of a first embodiment of a display panel of a programmed computer system with a graphical user interface; and,

FIG. 2 is a face view of a second embodiment of a display panel of a programmed computer system with a graphical user interface.

The broken lines in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a display panel of a programmed computer system with a graphical user interface, as shown and described. 